package com.simon.dao;

import java.sql.SQLException;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;

import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.dao.RuntimeExceptionDao;
import com.j256.ormlite.support.ConnectionSource;
import com.j256.ormlite.table.TableUtils;
import com.simon.notes.model.NotesModel;

public class NoteDaoHelper extends OrmLiteSqliteOpenHelper {

	private static final String DATABASE_NAME = "note.db";
	private static final int DATABASE_VERSION = 1;
	private Dao<NotesModel, Integer> noteModelDao = null;
	private RuntimeExceptionDao<NotesModel, Integer> noteModelRuntimeDao = null;

	public NoteDaoHelper(Context context) {
		super(context, DATABASE_NAME, null, DATABASE_VERSION);
	}

	/**
	 * This is called when the database is first created. Usually you should
	 * call createTable statements here to create the tables that will store
	 * your data.
	 */
	@Override
	public void onCreate(SQLiteDatabase db, ConnectionSource connectionSource) {
		try {
			Log.i(NoteDaoHelper.class.getName(), "onCreate");
			TableUtils.createTable(connectionSource, NotesModel.class);
		} catch (SQLException e) {
			Log.e(NoteDaoHelper.class.getName(), "Can't create database", e);
			throw new RuntimeException(e);
		}
	}

	/**
	 * This is called when your application is upgraded and it has a higher
	 * version number. This allows you to adjust the various data to match the
	 * new version number.
	 */
	@Override
	public void onUpgrade(SQLiteDatabase db, ConnectionSource connectionSource,
			int oldVersion, int newVersion) {
		try {
			Log.i(NoteDaoHelper.class.getName(), "onUpgrade");
			TableUtils.dropTable(connectionSource, NotesModel.class, true);
			// after we drop the old databases, we create the new ones
			onCreate(db, connectionSource);
		} catch (SQLException e) {
			Log.e(NoteDaoHelper.class.getName(), "Can't drop databases", e);
			throw new RuntimeException(e);
		}
	}

	/**
	 * Returns the Database Access Object (DAO) for our SimpleData class. It
	 * will create it or just give the cached value.
	 */
	public Dao<NotesModel, Integer> getMyNoteDao() throws SQLException {
		if (noteModelDao == null) {
			noteModelDao = getDao(NotesModel.class);
		}
		return noteModelDao;
	}

	/**
	 * Returns the RuntimeExceptionDao (Database Access Object) version of a Dao
	 * for our SimpleData class. It will create it or just give the cached
	 * value. RuntimeExceptionDao only through RuntimeExceptions.
	 */
	public RuntimeExceptionDao<NotesModel, Integer> getMyNoteDataDao() {
		if (noteModelRuntimeDao == null) {
			noteModelRuntimeDao = getRuntimeExceptionDao(NotesModel.class);
		}
		return noteModelRuntimeDao;
	}

	/**
	 * Close the database connections and clear any cached DAOs.
	 */
	@Override
	public void close() {
		super.close();
		noteModelDao = null;
	}

}
